<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>rootHome</title>
    <link href="bootstrap-4.6.1-dist/css/bootstrap.css"
          rel="stylesheet" type="text/css">
    <style>
        .dropdown{
            margin-bottom: -20px;
        }
        .dropdown:hover{
            margin: 0px;
        }
        .show{
            /*display: block;*/
            overflow: hidden;
            visibility: hidden;
            max-height: 0px;
            transform: scaleY(0);
        }
        .dropdown:hover .show{
            visibility: visible;
            overflow: hidden;
            transition: transform 0.2s;
            max-height: 999999px;
            transform: scaleY(1);
        }
        .userPortrait {
            width: 40px;
            height: 40px;
            border: 1px solid red;
            border-radius: 50%;
            overflow: hidden;
            margin: 0 auto;
            /*margin-top: 100px;*/
        }
        .userPortrait img {
            display: block;
            width: 100%;
            height:100%;
            border: 1px solid green;
        }
        .menu {
            width: 120.5%;
            float: left;
            padding: 15px;
            border: 1px solid black;
            left:60px;
        }
        .p1 {
            font-family: "黑体", Times, serif;
            font-size:17px;
        }
        .h1{
            font-family: "楷体", Times, serif;
            font-size:50px;
        }
    </style>
</head>
<body>

<!--眉头-->
<nav class="navbar navbar-expand-lg navbar-dark bg-primary">
    <a class="navbar-brand col-1 text-center" href="index.html">爱思教育</a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarText" aria-controls="navbarText" aria-expanded="false" aria-label="Toggle navigation">
        <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse">
        <ul class="navbar-nav">
            <li class="nav-item active">
                <a class="nav-link" href="#">欢迎您,管理员!</a>
            </li>
            <li class="nav-item active dropdown">
                <a class="nav-link " href="rootPower.html" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
                    账户权限操作
                </a>
            </li>
        </ul>
    </div>
    <div class="userPortrait active dropdown">
        <a href="userInformation.html"><img src="img/defaultPortrait.jpg" alt=""></a>
    </div>
</nav>
<div class="col-12" align="center">
    <h1 class="h1" style="color: blue" >欢迎您！尊敬的root账户！</h1>
</div>

<!--页脚-->
<div class="footer bg-primary fixed-bottom text-center">
    <p class="text-white">版权所有© Copyright 1999-2021 爱思软件股份有限公司　　中国·青岛黄岛区嘉陵江路777号 西区公寓2号   版本V-0.0.1</p>
</div>
</body>
</html>
